Home / 93,897.12-129,581.52-53,611.20

Finding the Fourth Proportional to 93,897.12, 129,581.52 and 53,611.20

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Solution

The fourth proportional to 93,897.12, 129,581.52 and 53,611.20 is: 73,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,897.12 : 129,581.52 = 53,611.20 : x
  2. Step 2: Convert to fraction form
    93,897.12/129,581.52 = 53,611.20/x
  3. Step 3: Cross multiply
    93,897.12x = 129,581.52 × 53,611.20
  4. Step 4: Simplify right side
    93,897.12x = 6,947,020,785.02
  5. Step 5: Solve for x
    x = 6,947,020,785.02/93,897.12
  6. Step 6: Final answer
    x = 73,985.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.